Home / 23,208.75-31,998.15-18,955.35

Finding the Fourth Proportional to 23,208.75, 31,998.15 and 18,955.35

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Solution

The fourth proportional to 23,208.75, 31,998.15 and 18,955.35 is: 26,133.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,208.75 : 31,998.15 = 18,955.35 : x
  2. Step 2: Convert to fraction form
    23,208.75/31,998.15 = 18,955.35/x
  3. Step 3: Cross multiply
    23,208.75x = 31,998.15 × 18,955.35
  4. Step 4: Simplify right side
    23,208.75x = 606,536,132.60
  5. Step 5: Solve for x
    x = 606,536,132.60/23,208.75
  6. Step 6: Final answer
    x = 26,133.94

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.